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io: change the QIOTask callback signature

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Currently the QIOTaskFunc signature takes an Object * for
the source, and an Error * for any error. We also need to
be able to provide a result pointer. Rather than continue
to add parameters to QIOTaskFunc, remove the existing
ones and simply pass the QIOTask object instead. This
has methods to access all the other data items required
in the callback impl.

Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange
2016-08-11 15:20:58 +01:00
parent 1a447e4f02
commit 60e705c51c
15 changed files with 110 additions and 112 deletions
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1
io/trace-events
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@@ -3,7 +3,6 @@
# io/task.c
qio_task_new(void *task, void *source, void *func, void *opaque) "Task new task=%p source=%p func=%p opaque=%p"
qio_task_complete(void *task) "Task complete task=%p"
qio_task_abort(void *task) "Task abort task=%p"
qio_task_thread_start(void *task, void *worker, void *opaque) "Task thread start task=%p worker=%p opaque=%p"
qio_task_thread_run(void *task) "Task thread run task=%p"
qio_task_thread_exit(void *task) "Task thread exit task=%p"